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Finding the Fourth Proportional to 491,711.01, 736,991.01 and 187,906.23

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Solution

The fourth proportional to 491,711.01, 736,991.01 and 187,906.23 is: 281,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,711.01 : 736,991.01 = 187,906.23 : x
  2. Step 2: Convert to fraction form
    491,711.01/736,991.01 = 187,906.23/x
  3. Step 3: Cross multiply
    491,711.01x = 736,991.01 × 187,906.23
  4. Step 4: Simplify right side
    491,711.01x = 138,485,202,232.99
  5. Step 5: Solve for x
    x = 138,485,202,232.99/491,711.01
  6. Step 6: Final answer
    x = 281,639.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.